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The same old arguments...

The same old arguments...

Posted Dec 8, 2025 10:31 UTC (Mon) by farnz (subscriber, #17727)
In reply to: The same old arguments... by anselm
Parent article: Eventual Rust in CPython

There's other parts to that story; the 68k had a 16 bit external data bus, where the 8088 had a mere 8 bit bus. This meant that the PC was a cheaper design, since it could reuse long-established 8 bit parts (and, indeed, if you look at the chips used in the IBM Personal Computer 5150 and the IBM System/23 Datamaster 5322 or 5324, you see a lot of overlap).

And, of course, the 32032 was a disaster zone of a chip. On paper, it was reasonable, but once you took the errata lists into account, it was awful, and you were better off with the 68000.


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The same old arguments...

Posted Dec 9, 2025 11:27 UTC (Tue) by epa (subscriber, #39769) [Link]

Ah yes, and the 68008 (which also had an 8-bit data bus and could have been used to build a cheap m68k-based machine) didn't come out until 1982, too late for the IBM PC.


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